| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1951.25 | USD | 20260424 |
| Dongying Lianchem | China national standards | MT | 1952.36 | USD | 20260422 |
| Dongying Lianchem | China national standards | MT | 1951.99 | USD | 20260420 |
| Dongying Lianchem | China national standards | MT | USD | 20260413 | |
| Dongying Lianchem | China national standards | MT | USD | 20260403 | |
| Dongying Lianchem | China national standards | MT | USD | 20260401 | |
| Dongying Lianchem | China national standards | MT | USD | 20260330 | |
| Dongying Lianchem | China national standards | MT | USD | 20260327 | |
| Dongying Lianchem | China national standards | MT | USD | 20260320 | |
| Dongying Lianchem | China national standards | MT | USD | 20260318 |